Operating Instructions
1. Precautions before use
AC power input: AC power input shall be within the range of rated voltage ±10%
50/60hz.
Warning: the protective conductor of the power line must be earthed to
avoid electric shock.
Instrument installation: Avoid using this power supply in the environment above
40℃. Reserve enough space for heat emission holes on the rear panel to
dissipate heat.
Notice: To avoid damage to the instrument, do not operate it in the
environment above 40℃.
2. Output voltage regulation
1. Turn on the power switch to make the product work normally.
2. Adjust the knob to the right to increase the output voltage value.
3. Adjust the knob to the left to reduce the output voltage value.
4. Press the adjusting knob forward to change fine/coarse adjustment status.
5. Conduct step adjustment at 0.01V in the in the fine adjustment state and 0.1V
in the fine adjustment state.
3. Output current regulation
1. When the current switch is switched to the position 0.5A, the host can provide
the current output capacity of 0.5A.
2. When the actual output current exceeds 0.6A at the position 0.5A, the power
supply will automatically conduct overrange protection. At this time, the power
supply will temporarily shut off the output for about 2S and make a buzzing
alarm to prompt the user to switch positions.
3. When the current switch is switched to the position 3A, the host can provide
the current output capacity of 3A.
4. When the actual output current exceeds 3.2A at the position 3A, the power
supply will automatically conduct overrun protection. At this time, the power
supply will temporarily shut off the output for about 2S and make a buzzing
alarm to prompt the user to remove the load.
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